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Solace Messaging Spring Cloud Connectors

A Spring Cloud Connector for an instance of Solace Messaging in Cloud Foundry. Specifically a ServiceInfo and ServiceInfoCreator implementation for Solace Messaging in Cloud Foundry.

Contents

Overview

This project provides an implementation of the ServiceInfo and ServiceInfoCreator interfaces to extend the Spring Cloud Connectors project to the Solace Messaging Cloud Foundry service. Using this in your Spring application can make consuming the Solace messaging service simpler than straight parsing of the VCAP_SERVICES environment variable.

The Spring cloud documentation provides both a nice introduction to Cloud Connectors and a nice overview of the options for extending Spring Cloud. This project provides a Cloud Service Support extension to make it easy to consume the Solace Messaging Cloud Foundry Service in your Cloud Foundry application. The following diagram attempts to provide an architectural overview of what is implemented in this project.

Architecture

Spring Cloud connectors

This project extends Spring Cloud Connectors. If you are new to Spring Cloud Connectors, check out their project on GitHub here: https://github.com/spring-cloud/spring-cloud-connectors

The following is a brief introduction copied from their README:

Spring Cloud Connectors simplifies the process of connecting to services and gaining operating environment awareness in cloud platforms such as Cloud Foundry and Heroku, especially for Spring applications. It is designed for extensibility: you can use one of the provided cloud connectors or write one for your cloud platform, and you can use the built-in support for commonly-used services (relational databases, MongoDB, Redis, RabbitMQ) or extend Spring Cloud Connectors to work with your own services.

Java Applications

Applications can use this connector with Spring Cloud to access the information in the VCAP_SERVICES environment variable, necessary for connection to a Solace Messaging Service Instance. The code finds the Solace Messaging Cloud Foundry service instance name MyService and uses the SolaceMessagingInfo object to connect a Solace Messaging API for Java (JCSMP) session.

CloudFactory cloudFactory = new CloudFactory();
Cloud cloud = cloudFactory.getCloud();
SolaceMessagingInfo solacemessaging = (SolaceMessagingInfo) cloud.getServiceInfo("MyService");

// Setting up the JCSMP Connection
final JCSMPProperties props = new JCSMPProperties();
props.setProperty(JCSMPProperties.HOST, solacemessaging.getSmfHost());
props.setProperty(JCSMPProperties.VPN_NAME, solacemessaging.getMsgVpnName());
props.setProperty(JCSMPProperties.USERNAME, solacemessaging.getClientUsername());
props.setProperty(JCSMPProperties.PASSWORD, solacemessaging.getClientPassword());

JCSMPSession session = JCSMPFactory.onlyInstance().createSession(props);
session.connect();

Spring Applications

TODO: Add details.

Using it in your Application

The releases from this project are hosted in Maven Central

##Here is how to include it in your project using Gradle and Maven.

Using it with Gradle

// Solace Cloud
compile("com.solace.cloud.cloudfoundry:solace-spring-cloud-connector:2.+")

Using it with Maven

<!-- Solace Cloud -->
<dependency>
  <groupId>com.solace.cloud.cloudfoundry</groupId>
  <artifactId>solace-spring-cloud-connector</artifactId>
  <version>2.+</version>
</dependency>

Checking out and Building

This project depends on maven for building. To build the jar locally, check out the project and build from source by doing the following:

git clone https://github.com/SolaceProducts/sl-spring-cloud-connectors.git
cd sl-spring-cloud-connectors
mvn package

This will build a jar file which will be named similar to the following:

target/solace-spring-cloud-connector-1.3.0-SNAPSHOT.jar

You can install this file in your maven repository locally.

Contributing

Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests to us.

Release Notes and Versioning

This project uses SemVer for versioning. For the versions available and corresponding release notes, see the Releases in this repository.

Authors

See the list of contributors who participated in this project.

License

This project is licensed under the Apache License, Version 2.0. - See the LICENSE file for details.

Resources

For more information about Cloud Foundry and the Solace Messaging service these resources:

For more information about Spring Cloud try these resources:

For more information about Solace technology in general please visit these resources: